Loans, Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	$ 23,545	$ 25,701
Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	19,374	21,580
Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	3,195	3,119
None [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	976	1,002
Real Estate Loans [Member] | Mortgages [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	2,888	2,706
Real Estate Loans [Member] | Mortgages [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	2,888	2,706
Real Estate Loans [Member] | Mortgages [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Mortgages [Member] | None [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Home Equity [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	102	165
Real Estate Loans [Member] | Home Equity [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	102	165
Real Estate Loans [Member] | Home Equity [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Home Equity [Member] | None [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Commercial [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	11,280	14,364
Real Estate Loans [Member] | Commercial [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	11,280	14,364
Real Estate Loans [Member] | Commercial [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Commercial [Member] | None [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Agricultural [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	3,702	4,062
Real Estate Loans [Member] | Agricultural [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	3,702	4,062
Real Estate Loans [Member] | Agricultural [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Agricultural [Member] | None [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Construction [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	1,402	283
Real Estate Loans [Member] | Construction [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	1,402	283
Real Estate Loans [Member] | Construction [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Construction [Member] | None [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Consumer [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	976	1,002
Consumer [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Consumer [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Consumer [Member] | None [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	976	1,002
Other Commercial Loans [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	2,784	2,582
Other Commercial Loans [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Other Commercial Loans [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	2,784	2,582
Other Commercial Loans [Member] | None [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Other Agricultural Loans [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	411	537
Other Agricultural Loans [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Other Agricultural Loans [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	411	537
Other Agricultural Loans [Member] | None [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	$ 0	$ 0